LOINC Code 81181-0: Serosal surface involvement LM Ql (Tumor)

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Serosal surface involvement. It is commonly used with the system or sample type Tumor.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Order vs observation: Observation
• Method: Microscopy.light

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• Serosal surface involvement [Presence] in Tumor by Light microscopy
• Serosal surface involvement
• The presence or absence of serosal surface involvement such as tumor ulceration of the serosa or tumor cells on the peritoneal surface.
• Cancer; LM; Micro; Micros; Microscopic; Ordinal; PATH.HISTO; PATHOLOGY; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serosal surf involvmnt; Surf; tumors; tumour; tumours

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Frequently asked questions